import time
from datetime import datetime,timedelta

from flask import current_app, jsonify
from flask import g
from flask import redirect
from flask import render_template
from flask import request
from flask import session
from flask import url_for

from info import constants, db
from info.models import User, News
from info.modules.admin import admin_blu
from info.utils.common import user_login_data
from info.utils.response_code import RET


@admin_blu.route('/news_review_action',methods=["POST"])
def news_review_action():
    #接收参数
    news_id=request.json.get("news_id")
    action=request.json.get("action")
    #2 参数校验
    if not all ([news_id,action]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if action not in ("accept","reject"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    #查询到指定的新闻数据
    try:
        news=News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")
    if not news:
        return jsonify(errno=RET.NODATA, errmsg="未查询到数据")

    if action =="accept":
        #代表接收
        news.status=0
    else:
        #代表拒绝
        reason=request.json.get("reason")
        if not reason:
            return jsonify(errno=RET.PARAMERR, errmsg="请输入拒绝原因")
        news.status=-1
        news.reason=reason
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        print(e)
        db.session.rollback()

    return jsonify(errno=RET.OK, errmsg="OK")





@admin_blu.route('/news_review_detail/<int:news_id>')
def news_review_detail(news_id):

    # 通过id查询新闻
    news = None
    try:
        news = News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)

    if not news:
        return render_template('admin/news_review_detail.html', data={"errmsg": "未查询到此新闻"})

    # 返回数据
    data = {"news": news.to_dict()}
    return render_template('admin/news_review_detail.html', data=data)

@admin_blu.route('/news_review')
def news_review():

    page = request.args.get("p", 1)
    keywords=request.args.get("keywords",None)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    news_list = []
    current_page = 1
    total_page = 1

    filters=[News.status != 0]
    #如果关键字存在
    if keywords:
        filters.append(News.title.contains(keywords))
    try:
        paginate = News.query.filter(*filters) \
            .order_by(News.create_time.desc()) \
            .paginate(page, constants.ADMIN_NEWS_PAGE_MAX_COUNT, False)

        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_list = []
    for news in news_list:
        news_dict_list.append(news.to_review_dict())

    context = {"total_page": total_page, "current_page": current_page, "news_list": news_dict_list}

    return render_template('admin/news_review.html', data=context)

@admin_blu.route('/user_list')
def user_list():
    page=request.args.get("page",1)

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    users = []
    current_page = 1
    total_page = 1
    try:
        paginate=User.query.filter(User.is_admin==False).paginate(page,constants.ADMIN_USER_PAGE_MAX_COUNT,False)
        users=paginate.items
        current_page=paginate.page
        total_page=paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        #进行字典模型列表
    user_dict_li=[]
    for user in users:
        user_dict_li.append(user.to_admin_dict())

    data={
        "users":user_dict_li,
        "total_page":total_page,
        "current_page":current_page
    }

    return render_template('admin/user_list.html',data=data)


@admin_blu.route('/user_count')
def user_count():
    #总人数
    total_count=0
    try:
        #除去是管理账号的所有用户
        total_count=User.query.filter(User.is_admin==False).count()
    except Exception as e:
        current_app.logger.error(e)
    #月新增数
    mon_count=0
    #变量和ｔｉｍｅ不能重名
    t=time.localtime()
    #strptime将一个字符串转成时间  时间对象　０２ｄ补两位　不写死年　月
    begin_mon_date=datetime.strptime(('%d-%02d-01' % (t.tm_year,t.tm_mon)),"%Y-%m-%d")
    try:
        #除去是管理账号的所有用户
        mon_count=User.query.filter(User.is_admin==False,User.create_time>begin_mon_date).count()
    except Exception as e:
        current_app.logger.error(e)
    #日新增数
    day_count=0
    begin_day_date=datetime.strptime(('%d-%02d-%02d' % (t.tm_year,t.tm_mon,t.tm_mday)),"%Y-%m-%d")
    try:
        #除去是管理账号的所有用户
        day_count=User.query.filter(User.is_admin==False,User.create_time>begin_day_date).count()
    except Exception as e:
        current_app.logger.error(e)


    #折线图数据
    #时间
    active_time=[]
    #人数
    active_count=[]
    #取到当前的时间－１－２
    #取到今天的时间字符串
    today_date_str=('%d-%02d-%02d' % (t.tm_year,t.tm_mon,t.tm_mday))
    #转成时间对象
    today_date=datetime.strptime(today_date_str, "%Y-%m-%d")

    for i in range(0,31):
        #取到某一天的００
        begin_date= today_date - timedelta(days=i)
        #取到下一天的００
        end_date= today_date - timedelta(days=(i - 1))
        print(end_date)
        #取到今天的活跃用户数量
        count=User.query.filter(User.is_admin == False, User.last_login >= begin_date,User.last_login<=end_date).count()
        print(count)
        active_count.append(count)
        active_time.append(begin_date.strftime('%Y-%m-%d'))
    #反转
    active_time.reverse()
    active_count.reverse()
    data = {
        "total_count": total_count,
        "mon_count": mon_count,
        "day_count": day_count,
        "active_time": active_time,
        "active_count": active_count

    }
    return render_template('admin/user_count.html',data=data)



@admin_blu.route('/index')
@user_login_data
def index():
    user=g.user
    return render_template('admin/index.html',user=user.to_dict())

@admin_blu.route('/login',methods=["GET","POST"])
def login():
    if request.method=="GET":
        return render_template('admin/login.html')
    #取到登陆的参数  用ｆｏｒｍ表单获取　因为要跳转页面
    #返回到主页
    username=request.form.get("username")
    password=request.form.get("password")
    #判断参数
    if not all ([username,password]):
        #这里不能使用ｊｓｏｎｉｇｙ　要使用模板显示界面
        #from 使用的是ｆｏｒｍ表单
        return render_template('admin/login.html',errmsg="参数错误")

    #查询当前用户
    try:
        user=User.query.filter(User.mobile==username,User.is_admin==True).first()
    except Exception as e:
        current_app.logger.error(e)
        return render_template('admin/login.html',errmsg="用户信息错误")
    #如果没有用户
    if not user:
        return render_template('admin/login.html',errmsg="未查询到该用户")
    #校验密码
    if not user.check_password(password):
        return render_template('admin/login.html',errmsg="用户名或者密码错误")

    #保存用户登陆信息  id 电话　名字　管理员用户
    session["user_id"] = user.id
    session["mobile"] = user.mobile
    session["nick_name"] = user.nick_name
    session["is_admin"]=user.is_admin

    #跳转到后面管理员界面首页
    #从定向  redirect   重定向到ｉｎｄｅｘ函数中在ａｄｍｉｎ里面
    return redirect(url_for("admin.index"))